Ruin (4)

'ruin' is the definition.
(doom means ruin or disaster)
This is all the clue.
(Other definitions for doom that I've seen before include "Death, destruction" , "Mood of condemnation" , "Dire fate" , "A bad lot" , "Bad destiny" .)
'ruin' is the definition.
(someone's undoing is their ruin)
This is all the clue.
(Other definitions for undo that I've seen before include "Take apart" , "Release button, knot etc" , "Unfasten - ruin" , "Disentangle" , "Cause downfall" .)
'ruin' is the definition.
(I know that ruin can be written as destroy)
This is the entire clue.
(Other definitions for destroy that I've seen before include "Kill; ruin" , "Ruin, put an end to" , "Completely ruin" , "Get rid of" , "Ruin; pull down" .)
'ruin' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for mar that I've seen before include "Spoil, damage" , "Spoil or deface" , "Make imperfect" , "Spanish main?" , "A windy month" .)
'ruin' is the definition.
(thesaurus)
This is the entire clue.
(Other definitions for taint that I've seen before include "Defect - contamination" , "Evidence of pollution" , "Contaminate, pollute" , "Adulterate" , "Contaminating influence" .)
'ruin' is the definition.
(I know that ruin has the is a more specific form of the action spoil)
This is the entire clue.
(Other definitions for spoil that I've seen before include "Impair" , "Deface" , "Destroy or ruin" , "Harm or destroy" , "Treat overindulgently" .)
'ruin' is the definition.
(I've seen this before)
This is all the clue.
(Other definitions for havoc that I've seen before include "Mayhem" , "Great confusion" , "Chaotic devastation" , "Ruin" , "Total destruction" .)
'ruin' is the definition.
(I know that wreck has the is a more specific form of the action ruin)
This is all the clue.
(Other definitions for wreck that I've seen before include "Completely spoil" , "Destroy; sunken vessel" , "Ruin; shatter" , "Utterly destroy" , "Destroy, ruin" .)
'ruin' is the definition.
(I know that ruin can be written as downfall)
This is all the clue.
(Other definitions for downfall that I've seen before include "Ruin, humiliation" , "Loss of power or prosperity, a serious tumble" , "burst of rain" , "Collapse, ruin" , "Failure (after successful career?)" .)
'ruin' is the definition.
(I've seen this before)
This is the entire clue.
(Other definitions for do for that I've seen before include "suit" , "Ruin" , "Destroy or kill" .)